$nav-color:#646464;
$nav-active-color:#646464;
$list-hover-color:#9191be;
.c-888{
  color: #888;
}
.bk-fff{
  background-color: #fff;
}
.c646464{
  color: #646464;
}
.c808080{
  color: #808080;
}
.cb4b4b4{
  color: #b4b4b4;
}
.c95{
  color: #9595c5;
}